Abstract
An adsorptive heat pump system with the temperature wave heat generation is numerically analysed, using a two-dimensional model which takes into account both heat and mass transfer processes inside the adsorber. In the model, the gaseous phase flow is described by Darcy's law. The adsorber is heated or cooled by an external thermal fluid which is considered as one-dimensional. The mathematical model is numerically solved using the ADI finite difference method. Numerical simulations are performed on two adsorption systems: zeolite NaX-water and activated carbon AX21-ammonia. The effects of the operating parameters, such as cycle time, permeability and heating temperature, on the cooling coefficient of performance and the power of cold production are discussed. Finally, the temperature wave regenerative heat pump system is compared to the basic adsorptive heat pump process.
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